| CPC F24F 11/49 (2018.01) [F24F 11/72 (2018.01); F24F 11/80 (2018.01)] |

| AS A RESULT OF REEXAMINATION, IT HAS BEEN DETERMINED THAT: |
| Claims 1-6 are cancelled. |
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a plurality of notification units, each notification unit being built in or disposed near one of a plurality of devices subjected to registration work, the notification units and the devices being electrically connected to each other in a one-to-one manner;
a plurality of electromagnetic wave emitters, each of the plurality of electromagnetic wave emitters being built in or disposed near one of the plurality of devices, and each electromagnetic wave emitter being configured to emit a plurality of electromagnetic waves having different intensities; and
a mobile terminal configured to be carried by a worker, the mobile terminal including
a display unit configured to display information regarding each of the devices,
an intensity measurement unit configured to measure intensities of the plurality of electromagnetic waves emitted by each of the electromagnetic wave emitters, and
a selection unit configured to select one of the devices,
each of the devices being communicably connected to a remote management device via the Internet,
the mobile terminal being communicably connected to the remote management device via the Internet,
the notification units being configured such that when one device among the plurality of devices is selected by the selection unit, a corresponding one of the notification units receives information indicating that the one device is selected via the Internet, the remote management device, and the one device and the corresponding one of the notification units notifies the worker by light, sound, or motion that the one device has been selected with the selection unit.
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